Home / 42,161.28-58,176.32-23,299.20

Finding the Fourth Proportional to 42,161.28, 58,176.32 and 23,299.20

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Solution

The fourth proportional to 42,161.28, 58,176.32 and 23,299.20 is: 32,149.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,161.28 : 58,176.32 = 23,299.20 : x
  2. Step 2: Convert to fraction form
    42,161.28/58,176.32 = 23,299.20/x
  3. Step 3: Cross multiply
    42,161.28x = 58,176.32 × 23,299.20
  4. Step 4: Simplify right side
    42,161.28x = 1,355,461,714.94
  5. Step 5: Solve for x
    x = 1,355,461,714.94/42,161.28
  6. Step 6: Final answer
    x = 32,149.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.